Unit Circle (version B)

A) √2/2
B) 1
C) r
D) π
E) √3/2

A) y
B) r
C) theta
D) 1
E) x

A) 360
B) 180
C) π
D) 1
E) 2π

A) r
B) x
C) 1
D) y
E) theta

5. The magnitudes of the maxima and minima of the unit circle's sine and cosine are the same.

A) false
B) true
C) Neither
D) Can't be determined

A) -1 to 1
B) 0 to 2π
C) -infinity to +infinity
D) 0 to 360

A) 90 degrees
B) neither 90 nor 270 degrees
C) both 0 and 180 degrees
D) 270 degrees
E) both 90 and 270 degrees

A) 270 degrees
B) 0 degrees
C) 90 degrees
D) 180 degrees

9. For the unit circle, if I translate the sine curve XXX radians, it will be in the same position as the cosine curve.

A) -π/2
B) π/2
C) -π
D) π
E) 2π

A) √2/2
B) 1/2
C) 0
D) -√2/2
E) 1

A) 45
B) -√2/2
C) √2/2
D) √3/2
E) 1/2

A) -30 degrees
B) 330 degrees
C) -330 degrees
D) -390 degrees

A) 1
B) 0
C) √3/2
D) -1
E) 1/2

A) 2π radians
B) 3π radians
C) 1/2 radians
D) 3π/2 radians
E) -π radians

A) 135 degrees
B) 315 degrees
C) 3π/2 radians
D) 225 degrees
E) 45 degrees

A) III
B) I
C) never
D) II
E) IV

A) 3π/2
B) π
C) 3π
D) 2π
E) π/2

18. One cycle of the sine and cosine curve from the unit circle have the same period.

A) Neither
B) Can't be determined
C) False
D) True

A) π/2 radians
B) 3π/2 radians
C) 2π radians
D) 90 degrees

20. The cosine function is positive and the sine function is negative in quadrant

A) I
B) IV
C) III
D) III

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